Geolife trajectory
WGS 84
Altitude is in Feet
Reserved 3
0,2,255,My Track,0,0,2,8421376
0
39.984094,116.319236,0,492,39744.2451967593,2008-10-23,05:53:05
39.984198,116.319322,0,492,39744.2452083333,2008-10-23,05:53:06
39.984224,116.319402,0,492,39744.2452662037,2008-10-23,05:53:11
39.984211,116.319389,0,492,39744.2453240741,2008-10-23,05:53:16
39.984217,116.319422,0,491,39744.2453819444,2008-10-23,05:53:21
